Second-ranked computer memory chip maker Hynix Semiconductor and Japan's Elpida memory swung to deep losses as prices of DRAM chips used in PCs tumbled about 50 percent in the third quarter.
The DRAM investigation also spawned dozens of antitrust lawsuits against companies like Infineon Technologies ag, the Samsung Group and Hynix Semiconductor Inc.
NAND flash supply has reportedly become tighter as major chip producers Samsung Electronics, Toshiba, Micron and Hynix Semiconductor favor demand for Apple devices.